Recent Blogs Posts

  1. New Raspberry Pi B+

    Quote Originally Posted by TonyD View Post
    The Pi doesn't have any analogue inputs so the easiest way is to use a I2c or SPI ADC chip. the 8-channel Microchip MCP3008 is popular. Here's a board I build using the 4-ch MCP3004 (on the right hand side):



    I wrote up a tutorial on setting the Pi up for it here
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  2. I want to be the parallax distributor in Australia.

    Quote Originally Posted by whiteoxe View Post
    a bit uncommon, Organic Stock Feed Producer Darling Downs Queenslnd

    edit: and a decent website

    http://www.ausorganicfeeds.com.au/Default.aspx

    very first time I have looked at it since I sold it a decade ago, made me sad ;( haaa, life moves on !! at times I had almost 200 grand owing to me, some customers really drag out payments, they don't realize the stess that places on a small business but I guess that was my job., but it can get tricky !!
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  3. Stepper motor controlers

    Quote Originally Posted by whiteoxe View Post
    Great to see your Video and to see you using the QuickStart, I have one still sealed in its packet. I think when you've re-posted I will drive the L298N and my robot skeleton with it. So I took a one minute video to show you I have just got it working.

    Click image for larger version

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    http://youtu.be/vqEivw5HhO8
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  4. Stepper motor controlers

    Quote Originally Posted by whiteoxe View Post
    Youtube is a pretty magic channel




    /*######################### ENCODER DC MOTOR CONTROL ############################
    This sketch takes the encoder code from Episode 35 and uses it to control
    a the speed and direction of a DC motor. Turning the encoder clockwise
    starts the motor in the clockwise direction and turning the encoder more
    makes the motor run faster.

    Turn the encoder
    ...
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  5. Stepper motor controlers

    Quote Originally Posted by Duane Degn View Post
    Whiteoxe,

    I'm not sure how these ebay sellers can send these things for so little. My guess is it would cost you about the same amount to ship them locally as it would cost to purchase them from ebay.

    It's very easy to use 4. These can be used with stepper motors and normal DC motors. While a L298N can control two DC motors, the L298N can only control a single stepper motor.

    You can also use them to power high current LEDs (not a very efficient way to
    ...
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